Borg, G. (1998). Borg's percieved exertion and pain scales. Human Kinetics.
Chicago Edition CitationBorg, Gunnar. Borg's Percieved Exertion and Pain Scales. Usa: Human Kinetics, 1998.
MLA Edition CitationBorg, Gunnar. Borg's Percieved Exertion and Pain Scales. Human Kinetics, 1998.
Warning: These citations may not always be 100% accurate.